import { pages, subPackages, tabBar } from '@/pages.json'
import { isMp } from './platform'
import * as XLSX from 'xlsx'
import md5 from 'js-md5'

const getLastPage = () => {
  // getCurrentPages() 至少有1个元素，所以不再额外判断
  // const lastPage = getCurrentPages().at(-1)
  // 上面那个在低版本安卓中打包回报错，所以改用下面这个【虽然我加了src/interceptions/prototype.ts，但依然报错】
  const pages = getCurrentPages()
  return pages[pages.length - 1]
}

/** 判断当前页面是否是tabbar页  */
export const getIsTabbar = () => {
  if (!tabBar) {
    return false
  }
  if (!tabBar.list.length) {
    // 通常有tabBar的话，list不能有空，且至少有2个元素，这里其实不用处理
    return false
  }
  const lastPage = getLastPage()
  const currPath = lastPage.route
  return !!tabBar.list.find((e) => e.pagePath === currPath)
}

/**
 * 获取当前页面路由的 path 路径和 redirectPath 路径
 * path 如 ‘/pages/login/index’
 * redirectPath 如 ‘/pages/demo/base/route-interceptor’
 */
export const currRoute = () => {
  const lastPage = getLastPage()
  const currRoute = (lastPage as any).$page
  // console.log('lastPage.$page:', currRoute)
  // console.log('lastPage.$page.fullpath:', currRoute.fullPath)
  // console.log('lastPage.$page.options:', currRoute.options)
  // console.log('lastPage.options:', (lastPage as any).options)
  // 经过多端测试，只有 fullPath 靠谱，其他都不靠谱
  const { fullPath } = currRoute as { fullPath: string }
  // console.log(fullPath)
  // eg: /pages/login/index?redirect=%2Fpages%2Fdemo%2Fbase%2Froute-interceptor (小程序)
  // eg: /pages/login/index?redirect=%2Fpages%2Froute-interceptor%2Findex%3Fname%3Dfeige%26age%3D30(h5)
  return getUrlObj(fullPath)
}

const ensureDecodeURIComponent = (url: string) => {
  if (url.startsWith('%')) {
    return ensureDecodeURIComponent(decodeURIComponent(url))
  }
  return url
}
/**
 * 解析 url 得到 path 和 query
 * 比如输入url: /pages/login/index?redirect=%2Fpages%2Fdemo%2Fbase%2Froute-interceptor
 * 输出: {path: /pages/login/index, query: {redirect: /pages/demo/base/route-interceptor}}
 */
export const getUrlObj = (url: string) => {
  const [path, queryStr] = url.split('?')
  // console.log(path, queryStr)

  if (!queryStr) {
    return {
      path,
      query: {},
    }
  }
  const query: Record<string, string> = {}
  queryStr.split('&').forEach((item) => {
    const [key, value] = item.split('=')
    // console.log(key, value)
    query[key] = ensureDecodeURIComponent(value) // 这里需要统一 decodeURIComponent 一下，可以兼容h5和微信y
  })
  return { path, query }
}
/**
 * 得到所有的需要登录的pages，包括主包和分包的
 * 这里设计得通用一点，可以传递key作为判断依据，默认是 needLogin, 与 route-block 配对使用
 * 如果没有传 key，则表示所有的pages，如果传递了 key, 则表示通过 key 过滤
 */
export const getAllPages = (key = 'needLogin') => {
  // 这里处理主包
  const mainPages = [
    ...pages
      .filter((page) => !key || page[key])
      .map((page) => ({
        ...page,
        path: `/${page.path}`,
      })),
  ]
  // 这里处理分包
  const subPages: any[] = []
  subPackages.forEach((subPageObj) => {
    // console.log(subPageObj)
    const { root } = subPageObj

    subPageObj.pages
      .filter((page) => !key || page[key])
      .forEach((page: { path: string } & Record<string, any>) => {
        subPages.push({
          ...page,
          path: `/${root}/${page.path}`,
        })
      })
  })
  const result = [...mainPages, ...subPages]
  // console.log(`getAllPages by ${key} result: `, result)
  return result
}

/**
 * 得到所有的需要登录的pages，包括主包和分包的
 * 只得到 path 数组
 */
export const getNeedLoginPages = (): string[] => getAllPages('needLogin').map((page) => page.path)

/**
 * 得到所有的需要登录的pages，包括主包和分包的
 * 只得到 path 数组
 */
export const needLoginPages: string[] = getAllPages('needLogin').map((page) => page.path)

/**
 * 根据微信小程序当前环境，判断应该获取的BaseUrl
 */
export const getEvnBaseUrl = () => {
  // 请求基准地址
  let baseUrl = import.meta.env.VITE_SERVER_BASEURL

  // 小程序端环境区分
  if (isMp) {
    const {
      miniProgram: { envVersion },
    } = uni.getAccountInfoSync()

    switch (envVersion) {
      case 'develop':
        baseUrl = 'https://ukw0y1.laf.run'
        break
      case 'trial':
        baseUrl = 'https://ukw0y1.laf.run'
        break
      case 'release':
        baseUrl = 'https://ukw0y1.laf.run'
        break
    }
  }

  return baseUrl
}

/**
 * 根据微信小程序当前环境，判断应该获取的UPLOAD_BASEURL
 */
export const getEvnBaseUploadUrl = () => {
  // 请求基准地址
  let baseUploadUrl = import.meta.env.VITE_UPLOAD_BASEURL

  // 小程序端环境区分
  if (isMp) {
    const {
      miniProgram: { envVersion },
    } = uni.getAccountInfoSync()

    switch (envVersion) {
      case 'develop':
        baseUploadUrl = 'https://ukw0y1.laf.run/upload'
        break
      case 'trial':
        baseUploadUrl = 'https://ukw0y1.laf.run/upload'
        break
      case 'release':
        baseUploadUrl = 'https://ukw0y1.laf.run/upload'
        break
    }
  }

  return baseUploadUrl
}

/**
 * 解析txt文本内容
 */
export const getTextUrlStr = (url: string) => {
  url = 'https://qianjing-public.obs.cn-south-1.myhuaweicloud.com/hmt-logo/text.txt'
  if (!url) return
  return new Promise((resolve, reject) => {
    uni.request({
      url,
      method: 'GET',
      success: (res) => {
        if (res.statusCode === 200) {
          // 获取到文本内容，res.data 是服务器返回的数据
          const txtContent = res.data as string
          // 对txtContent进行解析处理
          const str = txtContent.split('\n')
          resolve(
            str.map((v) => {
              const arrs = v.trim().split(',')
              return {
                label: arrs[0],
                value: arrs[2],
                abbreviation: arrs[1],
              }
            }),
          )
        } else {
          reject(res)
        }
      },
      fail: (err) => {
        console.error(err)
        reject(err)
      },
    })
  })
}
/**
 * 解析txt文本内容
 */
export const getXlsxUrlStr = (url: string) => {
  url = 'https://qianjing-public.obs.cn-south-1.myhuaweicloud.com/hmt-logo/RegionName.xlsx'
  if (!url) return
  return new Promise((resolve, reject) => {
    uni.request({
      url,
      method: 'GET',
      responseType: 'arraybuffer',
      success: (res) => {
        console.log('res', res)
        if (res.statusCode === 200) {
          const arrayBuffer = res.data
          resolve(readXLSX(arrayBuffer))
        } else {
          reject(res)
        }
      },
      fail: (err) => {
        console.error(err)
        reject(err)
      },
    })
  })
}

function readXLSX(arrayBuffer) {
  // 从ArrayBuffer中读取工作簿
  const workbook = XLSX.read(arrayBuffer, { type: 'buffer' })

  console.log('workbook.SheetNames', workbook)

  // 获取工作簿的第一个Sheet的名称
  const sheetName = workbook.SheetNames[0]

  // 获取第一个Sheet的数据
  const sheet = workbook.Sheets[sheetName]

  // 将Sheet转换为JSON
  const jsonData = XLSX.utils.sheet_to_json(sheet)
  // 返回解析后的JSON数据
  return jsonData
}

/** 获取设备唯一标识 */
export const getDeviceId = () => {
  const SystemInfo = uni.getSystemInfoSync()
  const { deviceBrand, deviceModel, deviceId } = SystemInfo
  return md5([deviceBrand, deviceModel, deviceId].join(','))
}
